body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1rem;
}

nav ul {
    list-style: none;
    padding: 0;
    background: #444;
}

nav ul li {
    display: inline;
    margin-right: 10px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
}

main {
    padding: 20px;
    padding-bottom: 4rem;
    flex: 1;
}

.cta-button {
    display: inline-block;
    padding: 10px 20px;
    background: #333;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
}

footer {
    text-align: center;
    padding: 10px;
    background: #333;
    color: #fff;
    position: static;
    width: 100%;
}